Taxon - Links and literature
Lemke U. (2019): Catalogue of the available names and non available names of the species and subspecies for the class Trilobita [as Pseudorhaptagnostus (Machairagnostus) corrugatus (Suarez-Soruco 1975)]Data retrieved on: 28 February 2020
E. B. Naimark (2016): Revision of Pseudorhaptagnostus Lermontova (?Trilobita, Agnostida), Paleontological Journal, 50(1), 54-68 [as Machairagnostus corrugatus (Suárez-Soruco, 1975)]